Hoping to bridge the achievement gap between whites and minorities, two top-notch students encourage other kids to follow their example. Includes: "Bridging The Gap," an exploration of some of the theories researchers have developed to explain the achievement gap.

Following are dates for workshops, conferences, and other professional-development opportunities for teachers. Some events may also include administrators, policymakers, parents, and others. The list is organized by region, though some events are national meetings. Registration deadlines may close before the date of the event. Asterisks (*) denote new entries.

A million dollars. The U.S. population—273 million and counting. Carl Sagan's billions and billions of stars. Big numbers abound in modern life, yet who really comprehends the quantities they signify? Teresa Morrison's young students at Lila McAndrew Elementary School in Ainsworth, Nebraska, have a better idea than most, thanks to an innovative project the teacher launched four years ago.